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2021 |
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Communications Earth & Environment |
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Volume  |
2 |
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1 |
Pages |
1-8 |
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Keywords |
Physical oceanography |
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688 |
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2662-4435 |
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yes |
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8387 |
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Minute Sea-Level Analysis (MISELA): a high-frequency sea-level analysis global dataset |
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Year |
2021 |
Publication |
Earth system science data |
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Volume |
13 |
Issue |
8 |
Pages |
4121-4132 |
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688 |
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1866-3508 |
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yes |
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8392 |
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Author |
A. Barbero, J. Savarino, R. Grilli, C. Blouzon, G. Picard, M. M. Frey, Y. Huang, N. Caillon |
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Title |
New Estimation of the NOx Snow-Source on the Antarctic Plateau |
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Journal |
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Year |
2021 |
Publication |
Journal of Geophysical Research: Atmospheres |
Abbreviated Journal |
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Volume |
126 |
Issue |
20 |
Pages |
e2021JD035062 |
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Keywords |
Antarctic Plateau flux chamber nitrate photolysis snowpack emissions |
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1177 |
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2169-8996 |
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yes |
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8393 |
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Author |
Yushiro Fujii, Kenji Satake, Shingo Watada, Tung-Cheng Ho |
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Journal |
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Year |
2021 |
Publication |
Pure and Applied Geophysics |
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Volume |
178 |
Issue |
12 |
Pages |
4777-4796 |
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688 |
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ISSN |
1420-9136 |
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yes |
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8411 |
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Title |
Regional Characteristics of Atmospheric Sulfate Formation in East Antarctica Imprinted on 17O-Excess Signature |
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Year |
2021 |
Publication |
Journal of Geophysical Research: Atmospheres |
Abbreviated Journal |
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Volume |
126 |
Issue |
6 |
Pages |
e2020JD033583 |
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Keywords |
aerosols Antarctica isotope methanesulfonate sulfate |
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1177 |
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2169-8996 |
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yes |
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Serial |
8412 |
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Title |
Transit timings variations in the three-planet system: TOI-270 |
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Journal |
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Year |
2021 |
Publication |
Monthly Notices of the Royal Astronomical Society |
Abbreviated Journal |
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Volume |
510 |
Issue |
4 |
Pages |
5464-5485 |
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1066 |
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0035-8711 |
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yes |
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Call Number |
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Serial |
8413 |
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Author |
Christophe Barbraud, Karine Delord |
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Title |
Selection against immigrants in wild seabird populations |
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Journal |
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Year |
2021 |
Publication |
Ecology Letters |
Abbreviated Journal |
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Volume |
24 |
Issue |
1 |
Pages |
84-93 |
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Keywords |
Dispersal fitness immigrant seabirds sex-biased dispersal |
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Abstract |
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Programme |
109 |
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ISSN |
1461-0248 |
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yes |
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Serial |
8418 |
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Title |
Sharing wintering grounds does not synchronize annual survival in a high Arctic seabird, the little auk |
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Year |
2021 |
Publication |
Marine Ecology Progress Series |
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Volume |
676 |
Issue |
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Pages |
233-242 |
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Keywords |
Alle alle Capture-mark-recapture Geolocator Migration Non-breeding distribution Synchrony |
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Abstract |
Sharing the same wintering grounds by avian populations breeding in various areas may synchronize fluctuations in vital rates, which could increase the risk of extinction. Here, by combining multi-colony tracking with long-term capture-recapture data, we studied the winter distribution and annual survival of the most numerous Arctic seabird, the little auk Alle alle. We assessed whether little auks from different breeding populations in Svalbard and Franz Josef Land use the same wintering grounds and if this leads to synchronized survival. Our results indicate that birds from the Svalbard colonies shared similar wintering grounds, although differences existed in the proportion of birds from each colony using the different areas. Little auks from Franz Josef Land generally spent the winter in a separate area, but some individuals wintered in the Iceland Sea with Svalbard populations. Survival data from 3 Svalbard colonies collected in 2005-2018 indicated that sharing wintering grounds did not synchronize little auk annual survival rates. However, it is clear that the Iceland Sea is an important wintering area for little auks, and environmental changes in this area could have widespread impacts on many populations. |
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388 |
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ISSN |
0171-8630, 1616-1599 |
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Approved |
yes |
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Call Number |
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Serial |
8419 |
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Title |
Taxonomy based on limited genomic markers may underestimate species diversity of rockhopper penguins and threaten their conservation |
Type |
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Year |
2021 |
Publication |
Diversity and Distributions |
Abbreviated Journal |
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Volume |
27 |
Issue |
11 |
Pages |
2277-2296 |
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Keywords |
Eudyptes genomics rockhopper penguins species delimitation |
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Abstract |
Aim Delimiting recently diverged species is challenging. During speciation, genetic differentiation may be distributed unevenly across the genome, as different genomic regions can be subject to different selective pressures and evolutionary histories. Reliance on limited numbers of genetic markers that may be underpowered can make species delimitation even more challenging, potentially resulting in taxonomic inconsistencies. Rockhopper penguins of the genus Eudyptes comprise three broadly recognized taxa: northern (E. moseleyi), southern (E. chrysocome) and eastern rockhopper (E. filholi). Their taxonomic status has been controversial for decades, with researchers disagreeing about whether E. chrysocome and E. filholi are distinct species or conspecific. Our goal is to evaluate genome-wide patterns of divergence to evaluate genetic differentiation and species delimitation in rockhopper penguins, and to assess which mechanisms may underlie previous discordance among nuclear versus mitochondrial analyses. Location Sub-Antarctic and temperate coastal regions of the Southern Hemisphere. Methods We generated reduced-representation genomic libraries using double digest restriction-site associated DNA (ddRAD) sequencing to evaluate genetic differentiation, contemporary migration rates and admixture among colonies of rockhopper penguins. Results The extent of genetic differentiation among the three taxa was consistently higher than population-level genetic differentiation found within these and other penguin species. There was no evidence of admixture among the three taxa, suggesting the absence of ongoing gene flow among them. Species delimitation analyses based on molecular data, along with other lines of evidence, provide strong support for the taxonomic distinction of three species of rockhopper penguins. Main conclusions Our results provide strong support for the existence of three distinct species of rockhopper penguins. The recognition of this taxonomic diversity is crucial for the management and conservation of this widely distributed species group. This study illustrates that widespread dispersive seabird lineages lacking obvious morphological differences may nevertheless have complex evolutionary histories and comprise cryptic species diversity. |
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1472-4642 |
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Serial |
8421 |
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Author |
Armelle Decaulne, Najat Bhiry, Janie Faucher-Roy, Clara Pelletier Boily |
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Title |
The development of Kangiqsualujjuaq and the threat of snow avalanches in a permafrost degradation context, Nunavik, Canada |
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Year |
2021 |
Publication |
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Abbreviated Journal |
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Issue |
2020/3-2021/1 |
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Keywords |
active layer Canada demographic growth Nordic village slopes snow avalanches |
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1148 |
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0755-7809 |
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8423 |
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